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Working with the Cisco IOS File System, Configuration Files, and Software Images
Working with the Flash File System
SD Flash Memory Card LED
Setting the Default File System
You can specify the file system or directory that the system uses as the default file system by using the cd filesystem:
Color System Status
Off / blinking green SD flash memory card transfer in progress.
Slow blinking amber SD flash memory card is unsupported.
Fast blinking amber SD flash memory card is not present.
Amber Error accessing the SD flash memory card.
Cisco IOS boot image cannot be found.
Green SD flash memory card is functioning.
Table 66 show file systems Field Descriptions
Field Value
Size(b) Amount of memory in the file system in bytes.
Free(b) Amount of free memory in the file system in bytes.
Type Type of file system.
flash—The file system is for a flash memory device.
nvram—The file system is for a NVRAM device.
opaque—The file system is a locally generated pseudo file system (for example, the system) or a download
interface, such as brimux.
unknown—The file system is an unknown type.
Flags Permission for file system.
ro—read-only.
rw—read/write.\
wo—write-only.
Prefixes Alias for file system.
flash:—Flash file system.
nvram:—NVRAM.
null:—Null destination for copies. You can copy a remote file to null to find its size.
rcp:—Remote Copy Protocol (RCP) network server.
system:—Contains the system memory, including the running configuration.
tftp:—TFTP network server.
xmodem:—Obtain the file from a network machine by using the Xmodem protocol.
ymodem:—Obtain the file from a network machine by using the Ymodem protocol.